Connect with us

Health

Studies have shown that N95 masks are more effective than surgical cloth masks.

Published

on

 


Rugged N95 and KN95 masks are great for preventing COVID-19, but commonly worn surgical and cloth face covers filter only about 10% of exhaled aerosols. According to a new study..

According to the conclusions of a study at the University of Waterloo, “results show that standard surgical cloth masks and triple-layer cloth masks … filter with apparent efficiencies of 12.4% and 9.8%, respectively.”

However, the KN95 and N95 masks have “substantially higher apparent filtration efficiency (60% and 46% for the R95 and KN95 masks, respectively)” than the more commonly used cloths (10%) and surgical masks (12%). ) Is still recommended to provide. “Choices to mitigate indoor aerial infections” and read the summary Of the study published on July 21st.

More expensive and higher quality N95 and KN95 masks “filtered out over 50% of exhaled aerosols that could accumulate indoors and spread the COVID-19 virus when inhaled by others.” The study found that.

This study was published in the journal Physics of Fluids. It was done in a large indoor, unventilated room.

Aerosol released without a mask.
Exhaled aerosol from a subject without a mask.
Waterloo Engineering YouTube
Aerosol released by a surgical mask.
Exhaled aerosol from a subject wearing a surgical mask.
Waterloo Engineering YouTube
Aerosol released with KN95 mask.
Exhaled aerosol from a subject wearing a KN95 mask.
Waterloo Engineering YouTube

One of the authors of the study said that there are significant differences in the effectiveness of different masks.

Serhiy Yarusevych, a professor of mechanical and mechatronics engineering, said: “But when it comes to controlling aerosols, there are very serious differences in the effectiveness of the various masks.”

He explained that the results of this study were followed by “common sense” and general medical practice.

surgical mask.
Professor Serhiy Yarusevych said that different types of masks can make a big difference in effectiveness, but “there is no doubt that wearing a face cover is beneficial.”
Lamy Stock Photo

“Most of this may seem like common sense,” said Yarusevych. “For example, there are reasons for practitioners to wear N95 masks. They work much better.

“The novelty here is that we provided solid numbers and rigorous analysis to support that assumption,” he added.

..

Sources

1/ https://Google.com/

2/ https://nypost.com/2021/08/22/study-finds-n95-masks-more-effective-than-surgical-cloth-masks/

The mention sources can contact us to remove/changing this article

What Are The Main Benefits Of Comparing Car Insurance Quotes Online

LOS ANGELES, CA / ACCESSWIRE / June 24, 2020, / Compare-autoinsurance.Org has launched a new blog post that presents the main benefits of comparing multiple car insurance quotes. For more info and free online quotes, please visit https://compare-autoinsurance.Org/the-advantages-of-comparing-prices-with-car-insurance-quotes-online/ The modern society has numerous technological advantages. One important advantage is the speed at which information is sent and received. With the help of the internet, the shopping habits of many persons have drastically changed. The car insurance industry hasn't remained untouched by these changes. On the internet, drivers can compare insurance prices and find out which sellers have the best offers. View photos The advantages of comparing online car insurance quotes are the following: Online quotes can be obtained from anywhere and at any time. Unlike physical insurance agencies, websites don't have a specific schedule and they are available at any time. Drivers that have busy working schedules, can compare quotes from anywhere and at any time, even at midnight. Multiple choices. Almost all insurance providers, no matter if they are well-known brands or just local insurers, have an online presence. Online quotes will allow policyholders the chance to discover multiple insurance companies and check their prices. Drivers are no longer required to get quotes from just a few known insurance companies. Also, local and regional insurers can provide lower insurance rates for the same services. Accurate insurance estimates. Online quotes can only be accurate if the customers provide accurate and real info about their car models and driving history. Lying about past driving incidents can make the price estimates to be lower, but when dealing with an insurance company lying to them is useless. Usually, insurance companies will do research about a potential customer before granting him coverage. Online quotes can be sorted easily. Although drivers are recommended to not choose a policy just based on its price, drivers can easily sort quotes by insurance price. Using brokerage websites will allow drivers to get quotes from multiple insurers, thus making the comparison faster and easier. For additional info, money-saving tips, and free car insurance quotes, visit https://compare-autoinsurance.Org/ Compare-autoinsurance.Org is an online provider of life, home, health, and auto insurance quotes. This website is unique because it does not simply stick to one kind of insurance provider, but brings the clients the best deals from many different online insurance carriers. In this way, clients have access to offers from multiple carriers all in one place: this website. On this site, customers have access to quotes for insurance plans from various agencies, such as local or nationwide agencies, brand names insurance companies, etc. "Online quotes can easily help drivers obtain better car insurance deals. All they have to do is to complete an online form with accurate and real info, then compare prices", said Russell Rabichev, Marketing Director of Internet Marketing Company. CONTACT: Company Name: Internet Marketing CompanyPerson for contact Name: Gurgu CPhone Number: (818) 359-3898Email: [email protected]: https://compare-autoinsurance.Org/ SOURCE: Compare-autoinsurance.Org View source version on accesswire.Com:https://www.Accesswire.Com/595055/What-Are-The-Main-Benefits-Of-Comparing-Car-Insurance-Quotes-Online View photos

ExBUlletin

to request, modification Contact us at Here or [email protected]